20162980809

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{4080749}}^1$

素因数の和:4080822

約数の個数: 20

約数和(自身を含む): 30613786500

約数和(自身を除く): 10450805691

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 4080749, 12242247, 36726741, 110180223, 248925689, 330540669, 746777067, 2240331201, 6720993603, 20162980809]

約数ペア:

[(1, 20162980809), (3, 6720993603), (9, 2240331201), (27, 746777067), (61, 330540669), (81, 248925689), (183, 110180223), (549, 36726741), (1647, 12242247), (4941, 4080749)]